Finding the Fourth Proportional to 10,812,978.08, 14,921,796.08 and 5,851,310.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812,978.08 : 14,921,796.08 = 5,851,310.80 : x
2. Step 2: Convert to fraction form
   10,812,978.08/14,921,796.08 = 5,851,310.80/x
3. Step 3: Cross multiply
   10,812,978.08x = 14,921,796.08 × 5,851,310.80
4. Step 4: Simplify right side
   10,812,978.08x = 87,312,066,558,301.66
5. Step 5: Solve for x
   x = 87,312,066,558,301.66/10,812,978.08
6. Step 6: Final answer
   x = 8,074,747.39