Finding the Fourth Proportional to 52,801.34, 72,865.86 and 31,585.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,801.34 : 72,865.86 = 31,585.62 : x
2. Step 2: Convert to fraction form
   52,801.34/72,865.86 = 31,585.62/x
3. Step 3: Cross multiply
   52,801.34x = 72,865.86 × 31,585.62
4. Step 4: Simplify right side
   52,801.34x = 2,301,513,364.93
5. Step 5: Solve for x
   x = 2,301,513,364.93/52,801.34
6. Step 6: Final answer
   x = 43,588.16