Finding the Fourth Proportional to 391,603,498.31, 587,472,168.58 and 161,446,767.59

Step by Step Solution

1. Step 1: Write the proportion equation
   391,603,498.31 : 587,472,168.58 = 161,446,767.59 : x
2. Step 2: Convert to fraction form
   391,603,498.31/587,472,168.58 = 161,446,767.59/x
3. Step 3: Cross multiply
   391,603,498.31x = 587,472,168.58 × 161,446,767.59
4. Step 4: Simplify right side
   391,603,498.31x = 94,845,482,662,987,584
5. Step 5: Solve for x
   x = 94,845,482,662,987,584/391,603,498.31
6. Step 6: Final answer
   x = 242,197,741.01