Finding the Fourth Proportional to 112,661,422.37, 155,548,680.69 and 70,339,481.74

Step by Step Solution

1. Step 1: Write the proportion equation
   112,661,422.37 : 155,548,680.69 = 70,339,481.74 : x
2. Step 2: Convert to fraction form
   112,661,422.37/155,548,680.69 = 70,339,481.74/x
3. Step 3: Cross multiply
   112,661,422.37x = 155,548,680.69 × 70,339,481.74
4. Step 4: Simplify right side
   112,661,422.37x = 10,941,213,584,297,602
5. Step 5: Solve for x
   x = 10,941,213,584,297,602/112,661,422.37
6. Step 6: Final answer
   x = 97,115,883.63