Finding the Fourth Proportional to 110,892.63, 152,978.49 and 72,635.63

Step by Step Solution

1. Step 1: Write the proportion equation
   110,892.63 : 152,978.49 = 72,635.63 : x
2. Step 2: Convert to fraction form
   110,892.63/152,978.49 = 72,635.63/x
3. Step 3: Cross multiply
   110,892.63x = 152,978.49 × 72,635.63
4. Step 4: Simplify right side
   110,892.63x = 11,111,688,232.71
5. Step 5: Solve for x
   x = 11,111,688,232.71/110,892.63
6. Step 6: Final answer
   x = 100,202.22