Finding the Fourth Proportional to 79,073,379.77, 118,564,656.59 and 42,139,796.70

Step by Step Solution

1. Step 1: Write the proportion equation
   79,073,379.77 : 118,564,656.59 = 42,139,796.70 : x
2. Step 2: Convert to fraction form
   79,073,379.77/118,564,656.59 = 42,139,796.70/x
3. Step 3: Cross multiply
   79,073,379.77x = 118,564,656.59 × 42,139,796.70
4. Step 4: Simplify right side
   79,073,379.77x = 4,996,290,525,057,882
5. Step 5: Solve for x
   x = 4,996,290,525,057,882/79,073,379.77
6. Step 6: Final answer
   x = 63,185,493.52