Finding the Fourth Proportional to 64,466.67, 88,941.20 and 42,123.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,466.67 : 88,941.20 = 42,123.63 : x
2. Step 2: Convert to fraction form
   64,466.67/88,941.20 = 42,123.63/x
3. Step 3: Cross multiply
   64,466.67x = 88,941.20 × 42,123.63
4. Step 4: Simplify right side
   64,466.67x = 3,746,525,989.94
5. Step 5: Solve for x
   x = 3,746,525,989.94/64,466.67
6. Step 6: Final answer
   x = 58,115.71