Finding the Fourth Proportional to 65,507.93, 90,372.93 and 42,807.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,507.93 : 90,372.93 = 42,807.52 : x
2. Step 2: Convert to fraction form
   65,507.93/90,372.93 = 42,807.52/x
3. Step 3: Cross multiply
   65,507.93x = 90,372.93 × 42,807.52
4. Step 4: Simplify right side
   65,507.93x = 3,868,640,621.97
5. Step 5: Solve for x
   x = 3,868,640,621.97/65,507.93
6. Step 6: Final answer
   x = 59,056.06