Finding the Fourth Proportional to 53,988, 74,513.52 and 31,632

Step by Step Solution

1. Step 1: Write the proportion equation
   53,988 : 74,513.52 = 31,632 : x
2. Step 2: Convert to fraction form
   53,988/74,513.52 = 31,632/x
3. Step 3: Cross multiply
   53,988x = 74,513.52 × 31,632
4. Step 4: Simplify right side
   53,988x = 2,357,011,664.64
5. Step 5: Solve for x
   x = 2,357,011,664.64/53,988
6. Step 6: Final answer
   x = 43,658.07