Finding the Fourth Proportional to 105,302.52, 157,932.72 and 38,719.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,302.52 : 157,932.72 = 38,719.98 : x
2. Step 2: Convert to fraction form
   105,302.52/157,932.72 = 38,719.98/x
3. Step 3: Cross multiply
   105,302.52x = 157,932.72 × 38,719.98
4. Step 4: Simplify right side
   105,302.52x = 6,115,151,759.75
5. Step 5: Solve for x
   x = 6,115,151,759.75/105,302.52
6. Step 6: Final answer
   x = 58,072.23