Finding the Fourth Proportional to 1,086,407,679.99, 1,499,278,811.56 and 610,181,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,407,679.99 : 1,499,278,811.56 = 610,181,970.50 : x
2. Step 2: Convert to fraction form
   1,086,407,679.99/1,499,278,811.56 = 610,181,970.50/x
3. Step 3: Cross multiply
   1,086,407,679.99x = 1,499,278,811.56 × 610,181,970.50
4. Step 4: Simplify right side
   1,086,407,679.99x = 914,832,899,560,390,656
5. Step 5: Solve for x
   x = 914,832,899,560,390,656/1,086,407,679.99
6. Step 6: Final answer
   x = 842,071,458.45