Finding the Fourth Proportional to 104,925.12, 157,329.35 and 42,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,925.12 : 157,329.35 = 42,522.72 : x
2. Step 2: Convert to fraction form
   104,925.12/157,329.35 = 42,522.72/x
3. Step 3: Cross multiply
   104,925.12x = 157,329.35 × 42,522.72
4. Step 4: Simplify right side
   104,925.12x = 6,690,071,897.83
5. Step 5: Solve for x
   x = 6,690,071,897.83/104,925.12
6. Step 6: Final answer
   x = 63,760.44