Finding the Fourth Proportional to 76,876,357.92, 106,089,381.12 and 42,069,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,876,357.92 : 106,089,381.12 = 42,069,046.56 : x
2. Step 2: Convert to fraction form
   76,876,357.92/106,089,381.12 = 42,069,046.56/x
3. Step 3: Cross multiply
   76,876,357.92x = 106,089,381.12 × 42,069,046.56
4. Step 4: Simplify right side
   76,876,357.92x = 4,463,079,113,858,865.50
5. Step 5: Solve for x
   x = 4,463,079,113,858,865.50/76,876,357.92
6. Step 6: Final answer
   x = 58,055,288.19