Finding the Fourth Proportional to 110,118.72, 152,026.78 and 72,502.32

Step by Step Solution

1. Step 1: Write the proportion equation
   110,118.72 : 152,026.78 = 72,502.32 : x
2. Step 2: Convert to fraction form
   110,118.72/152,026.78 = 72,502.32/x
3. Step 3: Cross multiply
   110,118.72x = 152,026.78 × 72,502.32
4. Step 4: Simplify right side
   110,118.72x = 11,022,294,252.13
5. Step 5: Solve for x
   x = 11,022,294,252.13/110,118.72
6. Step 6: Final answer
   x = 100,094.65