Finding the Fourth Proportional to 9,038,776.12, 12,470,476.29 and 5,117,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038,776.12 : 12,470,476.29 = 5,117,996.50 : x
2. Step 2: Convert to fraction form
   9,038,776.12/12,470,476.29 = 5,117,996.50/x
3. Step 3: Cross multiply
   9,038,776.12x = 12,470,476.29 × 5,117,996.50
4. Step 4: Simplify right side
   9,038,776.12x = 63,823,854,005,552.98
5. Step 5: Solve for x
   x = 63,823,854,005,552.98/9,038,776.12
6. Step 6: Final answer
   x = 7,061,116.81