Finding the Fourth Proportional to 112,510.83, 155,264.56 and 63,448.55

Step by Step Solution

1. Step 1: Write the proportion equation
   112,510.83 : 155,264.56 = 63,448.55 : x
2. Step 2: Convert to fraction form
   112,510.83/155,264.56 = 63,448.55/x
3. Step 3: Cross multiply
   112,510.83x = 155,264.56 × 63,448.55
4. Step 4: Simplify right side
   112,510.83x = 9,851,311,799.25
5. Step 5: Solve for x
   x = 9,851,311,799.25/112,510.83
6. Step 6: Final answer
   x = 87,558.78