Finding the Fourth Proportional to 151,610,111.58, 209,221,954.31 and 81,995,492.46

Step by Step Solution

1. Step 1: Write the proportion equation
   151,610,111.58 : 209,221,954.31 = 81,995,492.46 : x
2. Step 2: Convert to fraction form
   151,610,111.58/209,221,954.31 = 81,995,492.46/x
3. Step 3: Cross multiply
   151,610,111.58x = 209,221,954.31 × 81,995,492.46
4. Step 4: Simplify right side
   151,610,111.58x = 17,155,257,176,250,948
5. Step 5: Solve for x
   x = 17,155,257,176,250,948/151,610,111.58
6. Step 6: Final answer
   x = 113,153,779.77