Finding the Fourth Proportional to 9,920,637,019.08, 14,875,788,445.87 and 4,678,837,802.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,920,637,019.08 : 14,875,788,445.87 = 4,678,837,802.91 : x
2. Step 2: Convert to fraction form
   9,920,637,019.08/14,875,788,445.87 = 4,678,837,802.91/x
3. Step 3: Cross multiply
   9,920,637,019.08x = 14,875,788,445.87 × 4,678,837,802.91
4. Step 4: Simplify right side
   9,920,637,019.08x = 69,601,401,328,628,359,168
5. Step 5: Solve for x
   x = 69,601,401,328,628,359,168/9,920,637,019.08
6. Step 6: Final answer
   x = 7,015,819,769.92