Finding the Fourth Proportional to 157,910.48, 236,959 and 58,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   157,910.48 : 236,959 = 58,140.72 : x
2. Step 2: Convert to fraction form
   157,910.48/236,959 = 58,140.72/x
3. Step 3: Cross multiply
   157,910.48x = 236,959 × 58,140.72
4. Step 4: Simplify right side
   157,910.48x = 13,776,966,870.48
5. Step 5: Solve for x
   x = 13,776,966,870.48/157,910.48
6. Step 6: Final answer
   x = 87,245.42