Finding the Fourth Proportional to 170,300,407.60, 235,116,651.42 and 111,665,359.16

Step by Step Solution

1. Step 1: Write the proportion equation
   170,300,407.60 : 235,116,651.42 = 111,665,359.16 : x
2. Step 2: Convert to fraction form
   170,300,407.60/235,116,651.42 = 111,665,359.16/x
3. Step 3: Cross multiply
   170,300,407.60x = 235,116,651.42 × 111,665,359.16
4. Step 4: Simplify right side
   170,300,407.60x = 26,254,385,325,310,820
5. Step 5: Solve for x
   x = 26,254,385,325,310,820/170,300,407.60
6. Step 6: Final answer
   x = 154,165,134.98