Finding the Fourth Proportional to 64,459.88, 88,788.90 and 45,564.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,459.88 : 88,788.90 = 45,564.52 : x
2. Step 2: Convert to fraction form
   64,459.88/88,788.90 = 45,564.52/x
3. Step 3: Cross multiply
   64,459.88x = 88,788.90 × 45,564.52
4. Step 4: Simplify right side
   64,459.88x = 4,045,623,609.83
5. Step 5: Solve for x
   x = 4,045,623,609.83/64,459.88
6. Step 6: Final answer
   x = 62,761.89