Finding the Fourth Proportional to 76,021,422.59, 104,996,168.37 and 51,532,621.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,021,422.59 : 104,996,168.37 = 51,532,621.31 : x
2. Step 2: Convert to fraction form
   76,021,422.59/104,996,168.37 = 51,532,621.31/x
3. Step 3: Cross multiply
   76,021,422.59x = 104,996,168.37 × 51,532,621.31
4. Step 4: Simplify right side
   76,021,422.59x = 5,410,727,783,087,229
5. Step 5: Solve for x
   x = 5,410,727,783,087,229/76,021,422.59
6. Step 6: Final answer
   x = 71,173,724.45