Finding the Fourth Proportional to 69,643.42, 96,101.30 and 42,781.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69,643.42 : 96,101.30 = 42,781.59 : x
2. Step 2: Convert to fraction form
   69,643.42/96,101.30 = 42,781.59/x
3. Step 3: Cross multiply
   69,643.42x = 96,101.30 × 42,781.59
4. Step 4: Simplify right side
   69,643.42x = 4,111,366,415.07
5. Step 5: Solve for x
   x = 4,111,366,415.07/69,643.42
6. Step 6: Final answer
   x = 59,034.53