Finding the Fourth Proportional to 111,785,149.89, 154,261,926.59 and 62,892,461.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,785,149.89 : 154,261,926.59 = 62,892,461.25 : x
2. Step 2: Convert to fraction form
   111,785,149.89/154,261,926.59 = 62,892,461.25/x
3. Step 3: Cross multiply
   111,785,149.89x = 154,261,926.59 × 62,892,461.25
4. Step 4: Simplify right side
   111,785,149.89x = 9,701,912,240,097,458
5. Step 5: Solve for x
   x = 9,701,912,240,097,458/111,785,149.89
6. Step 6: Final answer
   x = 86,790,707.44