Finding the Fourth Proportional to 991,041,423.58, 1,367,673,123.30 and 567,736,896.50

Step by Step Solution

1. Step 1: Write the proportion equation
   991,041,423.58 : 1,367,673,123.30 = 567,736,896.50 : x
2. Step 2: Convert to fraction form
   991,041,423.58/1,367,673,123.30 = 567,736,896.50/x
3. Step 3: Cross multiply
   991,041,423.58x = 1,367,673,123.30 × 567,736,896.50
4. Step 4: Simplify right side
   991,041,423.58x = 776,478,494,448,803,840
5. Step 5: Solve for x
   x = 776,478,494,448,803,840/991,041,423.58
6. Step 6: Final answer
   x = 783,497,516.83