Finding the Fourth Proportional to 151,610,111.39, 209,221,954.05 and 81,995,492.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,610,111.39 : 209,221,954.05 = 81,995,492.27 : x
2. Step 2: Convert to fraction form
   151,610,111.39/209,221,954.05 = 81,995,492.27/x
3. Step 3: Cross multiply
   151,610,111.39x = 209,221,954.05 × 81,995,492.27
4. Step 4: Simplify right side
   151,610,111.39x = 17,155,257,116,021,070
5. Step 5: Solve for x
   x = 17,155,257,116,021,070/151,610,111.39
6. Step 6: Final answer
   x = 113,153,779.51