Finding the Fourth Proportional to 70,684.88, 106,075.98 and 29,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,684.88 : 106,075.98 = 29,131.88 : x
2. Step 2: Convert to fraction form
   70,684.88/106,075.98 = 29,131.88/x
3. Step 3: Cross multiply
   70,684.88x = 106,075.98 × 29,131.88
4. Step 4: Simplify right side
   70,684.88x = 3,090,192,189.86
5. Step 5: Solve for x
   x = 3,090,192,189.86/70,684.88
6. Step 6: Final answer
   x = 43,717.87