Finding the Fourth Proportional to 168,047,016.80, 231,908,983.76 and 93,706,851.76

Step by Step Solution

1. Step 1: Write the proportion equation
   168,047,016.80 : 231,908,983.76 = 93,706,851.76 : x
2. Step 2: Convert to fraction form
   168,047,016.80/231,908,983.76 = 93,706,851.76/x
3. Step 3: Cross multiply
   168,047,016.80x = 231,908,983.76 × 93,706,851.76
4. Step 4: Simplify right side
   168,047,016.80x = 21,731,460,763,010,568
5. Step 5: Solve for x
   x = 21,731,460,763,010,568/168,047,016.80
6. Step 6: Final answer
   x = 129,317,742.00