Finding the Fourth Proportional to 82,848,460.01, 124,545,126.50 and 76,855,540.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,848,460.01 : 124,545,126.50 = 76,855,540.55 : x
2. Step 2: Convert to fraction form
   82,848,460.01/124,545,126.50 = 76,855,540.55/x
3. Step 3: Cross multiply
   82,848,460.01x = 124,545,126.50 × 76,855,540.55
4. Step 4: Simplify right side
   82,848,460.01x = 9,571,983,019,641,352
5. Step 5: Solve for x
   x = 9,571,983,019,641,352/82,848,460.01
6. Step 6: Final answer
   x = 115,536,040.36