Finding the Fourth Proportional to 69,131.86, 103,611.50 and 29,643.16

Step by Step Solution

1. Step 1: Write the proportion equation
   69,131.86 : 103,611.50 = 29,643.16 : x
2. Step 2: Convert to fraction form
   69,131.86/103,611.50 = 29,643.16/x
3. Step 3: Cross multiply
   69,131.86x = 103,611.50 × 29,643.16
4. Step 4: Simplify right side
   69,131.86x = 3,071,372,272.34
5. Step 5: Solve for x
   x = 3,071,372,272.34/69,131.86
6. Step 6: Final answer
   x = 44,427.74