Finding the Fourth Proportional to 456,131.91, 684,132.71 and 156,606.87

Step by Step Solution

1. Step 1: Write the proportion equation
   456,131.91 : 684,132.71 = 156,606.87 : x
2. Step 2: Convert to fraction form
   456,131.91/684,132.71 = 156,606.87/x
3. Step 3: Cross multiply
   456,131.91x = 684,132.71 × 156,606.87
4. Step 4: Simplify right side
   456,131.91x = 107,139,881,594.68
5. Step 5: Solve for x
   x = 107,139,881,594.68/456,131.91
6. Step 6: Final answer
   x = 234,887.93