Finding the Fourth Proportional to 101,151,065.43, 139,588,468.56 and 54,741,319.61

Step by Step Solution

1. Step 1: Write the proportion equation
   101,151,065.43 : 139,588,468.56 = 54,741,319.61 : x
2. Step 2: Convert to fraction form
   101,151,065.43/139,588,468.56 = 54,741,319.61/x
3. Step 3: Cross multiply
   101,151,065.43x = 139,588,468.56 × 54,741,319.61
4. Step 4: Simplify right side
   101,151,065.43x = 7,641,256,970,615,454
5. Step 5: Solve for x
   x = 7,641,256,970,615,454/101,151,065.43
6. Step 6: Final answer
   x = 75,543,020.12