Finding the Fourth Proportional to 112,891,191.36, 155,856,627.04 and 71,111,071.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,891,191.36 : 155,856,627.04 = 71,111,071.42 : x
2. Step 2: Convert to fraction form
   112,891,191.36/155,856,627.04 = 71,111,071.42/x
3. Step 3: Cross multiply
   112,891,191.36x = 155,856,627.04 × 71,111,071.42
4. Step 4: Simplify right side
   112,891,191.36x = 11,083,131,736,721,742
5. Step 5: Solve for x
   x = 11,083,131,736,721,742/112,891,191.36
6. Step 6: Final answer
   x = 98,175,345.69