Finding the Fourth Proportional to 111,556,007.42, 153,899,536.50 and 69,667,350.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,556,007.42 : 153,899,536.50 = 69,667,350.42 : x
2. Step 2: Convert to fraction form
   111,556,007.42/153,899,536.50 = 69,667,350.42/x
3. Step 3: Cross multiply
   111,556,007.42x = 153,899,536.50 × 69,667,350.42
4. Step 4: Simplify right side
   111,556,007.42x = 10,721,772,939,160,506
5. Step 5: Solve for x
   x = 10,721,772,939,160,506/111,556,007.42
6. Step 6: Final answer
   x = 96,111,121.10