Finding the Fourth Proportional to 731,595,535.18, 1,009,602,830.59 and 397,068,068.10

Step by Step Solution

1. Step 1: Write the proportion equation
   731,595,535.18 : 1,009,602,830.59 = 397,068,068.10 : x
2. Step 2: Convert to fraction form
   731,595,535.18/1,009,602,830.59 = 397,068,068.10/x
3. Step 3: Cross multiply
   731,595,535.18x = 1,009,602,830.59 × 397,068,068.10
4. Step 4: Simplify right side
   731,595,535.18x = 400,881,045,490,662,912
5. Step 5: Solve for x
   x = 400,881,045,490,662,912/731,595,535.18
6. Step 6: Final answer
   x = 547,954,472.40