Finding the Fourth Proportional to 574,059,498.32, 860,389,688.76 and 297,558,274.80

Step by Step Solution

1. Step 1: Write the proportion equation
   574,059,498.32 : 860,389,688.76 = 297,558,274.80 : x
2. Step 2: Convert to fraction form
   574,059,498.32/860,389,688.76 = 297,558,274.80/x
3. Step 3: Cross multiply
   574,059,498.32x = 860,389,688.76 × 297,558,274.80
4. Step 4: Simplify right side
   574,059,498.32x = 256,016,071,443,134,560
5. Step 5: Solve for x
   x = 256,016,071,443,134,560/574,059,498.32
6. Step 6: Final answer
   x = 445,974,802.60