Finding the Fourth Proportional to 110,291.31, 152,215.52 and 64,966.95

Step by Step Solution

1. Step 1: Write the proportion equation
   110,291.31 : 152,215.52 = 64,966.95 : x
2. Step 2: Convert to fraction form
   110,291.31/152,215.52 = 64,966.95/x
3. Step 3: Cross multiply
   110,291.31x = 152,215.52 × 64,966.95
4. Step 4: Simplify right side
   110,291.31x = 9,888,978,077.06
5. Step 5: Solve for x
   x = 9,888,978,077.06/110,291.31
6. Step 6: Final answer
   x = 89,662.35