Finding the Fourth Proportional to 103,110,691.41, 142,293,494.37 and 56,067,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,110,691.41 : 142,293,494.37 = 56,067,427.78 : x
2. Step 2: Convert to fraction form
   103,110,691.41/142,293,494.37 = 56,067,427.78/x
3. Step 3: Cross multiply
   103,110,691.41x = 142,293,494.37 × 56,067,427.78
4. Step 4: Simplify right side
   103,110,691.41x = 7,978,030,218,692,672
5. Step 5: Solve for x
   x = 7,978,030,218,692,672/103,110,691.41
6. Step 6: Final answer
   x = 77,373,452.84