Finding the Fourth Proportional to 91,677,046.68, 137,572,132.81 and 42,483,730.64

Step by Step Solution

1. Step 1: Write the proportion equation
   91,677,046.68 : 137,572,132.81 = 42,483,730.64 : x
2. Step 2: Convert to fraction form
   91,677,046.68/137,572,132.81 = 42,483,730.64/x
3. Step 3: Cross multiply
   91,677,046.68x = 137,572,132.81 × 42,483,730.64
4. Step 4: Simplify right side
   91,677,046.68x = 5,844,577,434,108,067
5. Step 5: Solve for x
   x = 5,844,577,434,108,067/91,677,046.68
6. Step 6: Final answer
   x = 63,751,807.52