Finding the Fourth Proportional to 52,478,934.24, 78,741,134.82 and 28,189,519.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,478,934.24 : 78,741,134.82 = 28,189,519.32 : x
2. Step 2: Convert to fraction form
   52,478,934.24/78,741,134.82 = 28,189,519.32/x
3. Step 3: Cross multiply
   52,478,934.24x = 78,741,134.82 × 28,189,519.32
4. Step 4: Simplify right side
   52,478,934.24x = 2,219,674,741,287,114.50
5. Step 5: Solve for x
   x = 2,219,674,741,287,114.50/52,478,934.24
6. Step 6: Final answer
   x = 42,296,490.46