Finding the Fourth Proportional to 783,404,729.28, 1,175,064,568.56 and 238,103,748

Step by Step Solution

1. Step 1: Write the proportion equation
   783,404,729.28 : 1,175,064,568.56 = 238,103,748 : x
2. Step 2: Convert to fraction form
   783,404,729.28/1,175,064,568.56 = 238,103,748/x
3. Step 3: Cross multiply
   783,404,729.28x = 1,175,064,568.56 × 238,103,748
4. Step 4: Simplify right side
   783,404,729.28x = 279,787,277,916,138,944
5. Step 5: Solve for x
   x = 279,787,277,916,138,944/783,404,729.28
6. Step 6: Final answer
   x = 357,142,697.07