Finding the Fourth Proportional to 94,043, 129,779.34 and 56,339.12

Step by Step Solution

1. Step 1: Write the proportion equation
   94,043 : 129,779.34 = 56,339.12 : x
2. Step 2: Convert to fraction form
   94,043/129,779.34 = 56,339.12/x
3. Step 3: Cross multiply
   94,043x = 129,779.34 × 56,339.12
4. Step 4: Simplify right side
   94,043x = 7,311,653,809.78
5. Step 5: Solve for x
   x = 7,311,653,809.78/94,043
6. Step 6: Final answer
   x = 77,747.99