Finding the Fourth Proportional to 362,472,223.48, 543,979,111.82 and 245,610,488.12

Step by Step Solution

1. Step 1: Write the proportion equation
   362,472,223.48 : 543,979,111.82 = 245,610,488.12 : x
2. Step 2: Convert to fraction form
   362,472,223.48/543,979,111.82 = 245,610,488.12/x
3. Step 3: Cross multiply
   362,472,223.48x = 543,979,111.82 × 245,610,488.12
4. Step 4: Simplify right side
   362,472,223.48x = 133,606,975,181,194,272
5. Step 5: Solve for x
   x = 133,606,975,181,194,272/362,472,223.48
6. Step 6: Final answer
   x = 368,599,209.89