Finding the Fourth Proportional to 2,659,097,785.03, 3,988,727,935.52 and 912,276,018.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,097,785.03 : 3,988,727,935.52 = 912,276,018.61 : x
2. Step 2: Convert to fraction form
   2,659,097,785.03/3,988,727,935.52 = 912,276,018.61/x
3. Step 3: Cross multiply
   2,659,097,785.03x = 3,988,727,935.52 × 912,276,018.61
4. Step 4: Simplify right side
   2,659,097,785.03x = 3,638,820,840,326,979,072
5. Step 5: Solve for x
   x = 3,638,820,840,326,979,072/2,659,097,785.03
6. Step 6: Final answer
   x = 1,368,441,905.68