Finding the Fourth Proportional to 110,130.10, 152,003.73 and 72,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   110,130.10 : 152,003.73 = 72,407.86 : x
2. Step 2: Convert to fraction form
   110,130.10/152,003.73 = 72,407.86/x
3. Step 3: Cross multiply
   110,130.10x = 152,003.73 × 72,407.86
4. Step 4: Simplify right side
   110,130.10x = 11,006,264,801.32
5. Step 5: Solve for x
   x = 11,006,264,801.32/110,130.10
6. Step 6: Final answer
   x = 99,938.75