Finding the Fourth Proportional to 1,108,894,090.71, 1,530,285,938.42 and 613,865,066.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,894,090.71 : 1,530,285,938.42 = 613,865,066.07 : x
2. Step 2: Convert to fraction form
   1,108,894,090.71/1,530,285,938.42 = 613,865,066.07/x
3. Step 3: Cross multiply
   1,108,894,090.71x = 1,530,285,938.42 × 613,865,066.07
4. Step 4: Simplify right side
   1,108,894,090.71x = 939,389,078,691,116,032
5. Step 5: Solve for x
   x = 939,389,078,691,116,032/1,108,894,090.71
6. Step 6: Final answer
   x = 847,140,485.79