Finding the Fourth Proportional to 52,826.84, 72,901.86 and 31,607

Step by Step Solution

1. Step 1: Write the proportion equation
   52,826.84 : 72,901.86 = 31,607 : x
2. Step 2: Convert to fraction form
   52,826.84/72,901.86 = 31,607/x
3. Step 3: Cross multiply
   52,826.84x = 72,901.86 × 31,607
4. Step 4: Simplify right side
   52,826.84x = 2,304,209,089.02
5. Step 5: Solve for x
   x = 2,304,209,089.02/52,826.84
6. Step 6: Final answer
   x = 43,618.15