Finding the Fourth Proportional to 77,485,806.84, 106,930,410.12 and 42,678,498.24

Step by Step Solution

1. Step 1: Write the proportion equation
   77,485,806.84 : 106,930,410.12 = 42,678,498.24 : x
2. Step 2: Convert to fraction form
   77,485,806.84/106,930,410.12 = 42,678,498.24/x
3. Step 3: Cross multiply
   77,485,806.84x = 106,930,410.12 × 42,678,498.24
4. Step 4: Simplify right side
   77,485,806.84x = 4,563,629,320,108,899
5. Step 5: Solve for x
   x = 4,563,629,320,108,899/77,485,806.84
6. Step 6: Final answer
   x = 58,896,325.74