Finding the Fourth Proportional to 56,894,159.68, 78,514,138.27 and 30,788,670.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,894,159.68 : 78,514,138.27 = 30,788,670.59 : x
2. Step 2: Convert to fraction form
   56,894,159.68/78,514,138.27 = 30,788,670.59/x
3. Step 3: Cross multiply
   56,894,159.68x = 78,514,138.27 × 30,788,670.59
4. Step 4: Simplify right side
   56,894,159.68x = 2,417,345,940,321,367
5. Step 5: Solve for x
   x = 2,417,345,940,321,367/56,894,159.68
6. Step 6: Final answer
   x = 42,488,472.52