Finding the Fourth Proportional to 56,894,644.94, 78,514,805.43 and 30,789,155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,894,644.94 : 78,514,805.43 = 30,789,155.84 : x
2. Step 2: Convert to fraction form
   56,894,644.94/78,514,805.43 = 30,789,155.84/x
3. Step 3: Cross multiply
   56,894,644.94x = 78,514,805.43 × 30,789,155.84
4. Step 4: Simplify right side
   56,894,644.94x = 2,417,404,579,738,974.50
5. Step 5: Solve for x
   x = 2,417,404,579,738,974.50/56,894,644.94
6. Step 6: Final answer
   x = 42,489,140.81