Finding the Fourth Proportional to 56,894,646.44, 78,514,807.50 and 30,789,157.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,894,646.44 : 78,514,807.50 = 30,789,157.34 : x
2. Step 2: Convert to fraction form
   56,894,646.44/78,514,807.50 = 30,789,157.34/x
3. Step 3: Cross multiply
   56,894,646.44x = 78,514,807.50 × 30,789,157.34
4. Step 4: Simplify right side
   56,894,646.44x = 2,417,404,761,244,738
5. Step 5: Solve for x
   x = 2,417,404,761,244,738/56,894,646.44
6. Step 6: Final answer
   x = 42,489,142.88