Finding the Fourth Proportional to 60,739,812.10, 91,109,718.15 and 56,063,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   60,739,812.10 : 91,109,718.15 = 56,063,131.30 : x
2. Step 2: Convert to fraction form
   60,739,812.10/91,109,718.15 = 56,063,131.30/x
3. Step 3: Cross multiply
   60,739,812.10x = 91,109,718.15 × 56,063,131.30
4. Step 4: Simplify right side
   60,739,812.10x = 5,107,896,091,349,443
5. Step 5: Solve for x
   x = 5,107,896,091,349,443/60,739,812.10
6. Step 6: Final answer
   x = 84,094,696.95