Finding the Fourth Proportional to 70,232.50, 96,922.61 and 42,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,232.50 : 96,922.61 = 42,637.50 : x
2. Step 2: Convert to fraction form
   70,232.50/96,922.61 = 42,637.50/x
3. Step 3: Cross multiply
   70,232.50x = 96,922.61 × 42,637.50
4. Step 4: Simplify right side
   70,232.50x = 4,132,537,086.07
5. Step 5: Solve for x
   x = 4,132,537,086.07/70,232.50
6. Step 6: Final answer
   x = 58,840.81