Finding the Fourth Proportional to 111,610.02, 153,978.42 and 63,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,610.02 : 153,978.42 = 63,200.84 : x
2. Step 2: Convert to fraction form
   111,610.02/153,978.42 = 63,200.84/x
3. Step 3: Cross multiply
   111,610.02x = 153,978.42 × 63,200.84
4. Step 4: Simplify right side
   111,610.02x = 9,731,564,715.98
5. Step 5: Solve for x
   x = 9,731,564,715.98/111,610.02
6. Step 6: Final answer
   x = 87,192.57