Finding the Fourth Proportional to 81,605,118.78, 112,610,659.50 and 46,799,276.22

Step by Step Solution

1. Step 1: Write the proportion equation
   81,605,118.78 : 112,610,659.50 = 46,799,276.22 : x
2. Step 2: Convert to fraction form
   81,605,118.78/112,610,659.50 = 46,799,276.22/x
3. Step 3: Cross multiply
   81,605,118.78x = 112,610,659.50 × 46,799,276.22
4. Step 4: Simplify right side
   81,605,118.78x = 5,270,097,359,256,867
5. Step 5: Solve for x
   x = 5,270,097,359,256,867/81,605,118.78
6. Step 6: Final answer
   x = 64,580,475.32