Finding the Fourth Proportional to 82,800,899.60, 114,265,690.62 and 47,515,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,800,899.60 : 114,265,690.62 = 47,515,894.72 : x
2. Step 2: Convert to fraction form
   82,800,899.60/114,265,690.62 = 47,515,894.72/x
3. Step 3: Cross multiply
   82,800,899.60x = 114,265,690.62 × 47,515,894.72
4. Step 4: Simplify right side
   82,800,899.60x = 5,429,436,525,608,012
5. Step 5: Solve for x
   x = 5,429,436,525,608,012/82,800,899.60
6. Step 6: Final answer
   x = 65,572,192.47