Finding the Fourth Proportional to 1,118,111,498.79, 1,543,062,901.97 and 616,319,150.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,111,498.79 : 1,543,062,901.97 = 616,319,150.68 : x
2. Step 2: Convert to fraction form
   1,118,111,498.79/1,543,062,901.97 = 616,319,150.68/x
3. Step 3: Cross multiply
   1,118,111,498.79x = 1,543,062,901.97 × 616,319,150.68
4. Step 4: Simplify right side
   1,118,111,498.79x = 951,019,217,181,027,200
5. Step 5: Solve for x
   x = 951,019,217,181,027,200/1,118,111,498.79
6. Step 6: Final answer
   x = 850,558,480.27