Finding the Fourth Proportional to 731,592,061.46, 1,009,598,043.83 and 397,064,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   731,592,061.46 : 1,009,598,043.83 = 397,064,588.50 : x
2. Step 2: Convert to fraction form
   731,592,061.46/1,009,598,043.83 = 397,064,588.50/x
3. Step 3: Cross multiply
   731,592,061.46x = 1,009,598,043.83 × 397,064,588.50
4. Step 4: Simplify right side
   731,592,061.46x = 400,875,631,823,317,120
5. Step 5: Solve for x
   x = 400,875,631,823,317,120/731,592,061.46
6. Step 6: Final answer
   x = 547,949,674.34