Finding the Fourth Proportional to 77,708,123.94, 107,236,655.82 and 42,425,927.94

Step by Step Solution

1. Step 1: Write the proportion equation
   77,708,123.94 : 107,236,655.82 = 42,425,927.94 : x
2. Step 2: Convert to fraction form
   77,708,123.94/107,236,655.82 = 42,425,927.94/x
3. Step 3: Cross multiply
   77,708,123.94x = 107,236,655.82 × 42,425,927.94
4. Step 4: Simplify right side
   77,708,123.94x = 4,549,614,632,345,901
5. Step 5: Solve for x
   x = 4,549,614,632,345,901/77,708,123.94
6. Step 6: Final answer
   x = 58,547,477.43