Finding the Fourth Proportional to 144,493.95, 216,742.52 and 64,535.98

Step by Step Solution

1. Step 1: Write the proportion equation
   144,493.95 : 216,742.52 = 64,535.98 : x
2. Step 2: Convert to fraction form
   144,493.95/216,742.52 = 64,535.98/x
3. Step 3: Cross multiply
   144,493.95x = 216,742.52 × 64,535.98
4. Step 4: Simplify right side
   144,493.95x = 13,987,690,566.20
5. Step 5: Solve for x
   x = 13,987,690,566.20/144,493.95
6. Step 6: Final answer
   x = 96,804.68