Finding the Fourth Proportional to 76,524,923.91, 105,571,061.46 and 48,632,685.87

Step by Step Solution

1. Step 1: Write the proportion equation
   76,524,923.91 : 105,571,061.46 = 48,632,685.87 : x
2. Step 2: Convert to fraction form
   76,524,923.91/105,571,061.46 = 48,632,685.87/x
3. Step 3: Cross multiply
   76,524,923.91x = 105,571,061.46 × 48,632,685.87
4. Step 4: Simplify right side
   76,524,923.91x = 5,134,204,268,946,643
5. Step 5: Solve for x
   x = 5,134,204,268,946,643/76,524,923.91
6. Step 6: Final answer
   x = 67,091,922.56