Finding the Fourth Proportional to 77,477,669.10, 106,924,016.79 and 42,670,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,477,669.10 : 106,924,016.79 = 42,670,350.72 : x
2. Step 2: Convert to fraction form
   77,477,669.10/106,924,016.79 = 42,670,350.72/x
3. Step 3: Cross multiply
   77,477,669.10x = 106,924,016.79 × 42,670,350.72
4. Step 4: Simplify right side
   77,477,669.10x = 4,562,485,296,820,469
5. Step 5: Solve for x
   x = 4,562,485,296,820,469/77,477,669.10
6. Step 6: Final answer
   x = 58,887,745.98