Finding the Fourth Proportional to 64,461.42, 88,960.68 and 42,913.98

Step by Step Solution

1. Step 1: Write the proportion equation
   64,461.42 : 88,960.68 = 42,913.98 : x
2. Step 2: Convert to fraction form
   64,461.42/88,960.68 = 42,913.98/x
3. Step 3: Cross multiply
   64,461.42x = 88,960.68 × 42,913.98
4. Step 4: Simplify right side
   64,461.42x = 3,817,656,842.31
5. Step 5: Solve for x
   x = 3,817,656,842.31/64,461.42
6. Step 6: Final answer
   x = 59,223.90