Finding the Fourth Proportional to 76,128,016.12, 105,056,767.50 and 41,320,713.40

Step by Step Solution

1. Step 1: Write the proportion equation
   76,128,016.12 : 105,056,767.50 = 41,320,713.40 : x
2. Step 2: Convert to fraction form
   76,128,016.12/105,056,767.50 = 41,320,713.40/x
3. Step 3: Cross multiply
   76,128,016.12x = 105,056,767.50 × 41,320,713.40
4. Step 4: Simplify right side
   76,128,016.12x = 4,341,020,580,597,934.50
5. Step 5: Solve for x
   x = 4,341,020,580,597,934.50/76,128,016.12
6. Step 6: Final answer
   x = 57,022,641.62