Finding the Fourth Proportional to 562,738,101.69, 844,109,182.43 and 398,478,988.81

Step by Step Solution

1. Step 1: Write the proportion equation
   562,738,101.69 : 844,109,182.43 = 398,478,988.81 : x
2. Step 2: Convert to fraction form
   562,738,101.69/844,109,182.43 = 398,478,988.81/x
3. Step 3: Cross multiply
   562,738,101.69x = 844,109,182.43 × 398,478,988.81
4. Step 4: Simplify right side
   562,738,101.69x = 336,359,773,459,004,928
5. Step 5: Solve for x
   x = 336,359,773,459,004,928/562,738,101.69
6. Step 6: Final answer
   x = 597,719,920.59