Finding the Fourth Proportional to 68,687,386.71, 103,035,007.61 and 19,499,392.62

Step by Step Solution

1. Step 1: Write the proportion equation
   68,687,386.71 : 103,035,007.61 = 19,499,392.62 : x
2. Step 2: Convert to fraction form
   68,687,386.71/103,035,007.61 = 19,499,392.62/x
3. Step 3: Cross multiply
   68,687,386.71x = 103,035,007.61 × 19,499,392.62
4. Step 4: Simplify right side
   68,687,386.71x = 2,009,120,066,992,078
5. Step 5: Solve for x
   x = 2,009,120,066,992,078/68,687,386.71
6. Step 6: Final answer
   x = 29,250,203.91