Finding the Fourth Proportional to 194,110,086.83, 291,309,738.93 and 142,428,239.33

Step by Step Solution

1. Step 1: Write the proportion equation
   194,110,086.83 : 291,309,738.93 = 142,428,239.33 : x
2. Step 2: Convert to fraction form
   194,110,086.83/291,309,738.93 = 142,428,239.33/x
3. Step 3: Cross multiply
   194,110,086.83x = 291,309,738.93 × 142,428,239.33
4. Step 4: Simplify right side
   194,110,086.83x = 41,490,733,214,025,304
5. Step 5: Solve for x
   x = 41,490,733,214,025,304/194,110,086.83
6. Step 6: Final answer
   x = 213,748,465.59