Finding the Fourth Proportional to 75,032.50, 103,530.50 and 42,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   75,032.50 : 103,530.50 = 42,766.50 : x
2. Step 2: Convert to fraction form
   75,032.50/103,530.50 = 42,766.50/x
3. Step 3: Cross multiply
   75,032.50x = 103,530.50 × 42,766.50
4. Step 4: Simplify right side
   75,032.50x = 4,427,637,128.25
5. Step 5: Solve for x
   x = 4,427,637,128.25/75,032.50
6. Step 6: Final answer
   x = 59,009.59