Finding the Fourth Proportional to 812,123,364.71, 1,120,731,663.98 and 440,845,647.59

Step by Step Solution

1. Step 1: Write the proportion equation
   812,123,364.71 : 1,120,731,663.98 = 440,845,647.59 : x
2. Step 2: Convert to fraction form
   812,123,364.71/1,120,731,663.98 = 440,845,647.59/x
3. Step 3: Cross multiply
   812,123,364.71x = 1,120,731,663.98 × 440,845,647.59
4. Step 4: Simplify right side
   812,123,364.71x = 494,069,676,181,881,344
5. Step 5: Solve for x
   x = 494,069,676,181,881,344/812,123,364.71
6. Step 6: Final answer
   x = 608,367,764.86