Finding the Fourth Proportional to 216,061,342.38, 298,165,440.78 and 116,943,388.56

Step by Step Solution

1. Step 1: Write the proportion equation
   216,061,342.38 : 298,165,440.78 = 116,943,388.56 : x
2. Step 2: Convert to fraction form
   216,061,342.38/298,165,440.78 = 116,943,388.56/x
3. Step 3: Cross multiply
   216,061,342.38x = 298,165,440.78 × 116,943,388.56
4. Step 4: Simplify right side
   216,061,342.38x = 34,868,476,996,299,208
5. Step 5: Solve for x
   x = 34,868,476,996,299,208/216,061,342.38
6. Step 6: Final answer
   x = 161,382,302.88