Finding the Fourth Proportional to 56,971,483.68, 78,620,540.88 and 30,866,650.32

Step by Step Solution

1. Step 1: Write the proportion equation
   56,971,483.68 : 78,620,540.88 = 30,866,650.32 : x
2. Step 2: Convert to fraction form
   56,971,483.68/78,620,540.88 = 30,866,650.32/x
3. Step 3: Cross multiply
   56,971,483.68x = 78,620,540.88 × 30,866,650.32
4. Step 4: Simplify right side
   56,971,483.68x = 2,426,752,743,312,225
5. Step 5: Solve for x
   x = 2,426,752,743,312,225/56,971,483.68
6. Step 6: Final answer
   x = 42,595,919.69