Finding the Fourth Proportional to 657,540,513.34, 907,061,885.22 and 406,564,677.82

Step by Step Solution

1. Step 1: Write the proportion equation
   657,540,513.34 : 907,061,885.22 = 406,564,677.82 : x
2. Step 2: Convert to fraction form
   657,540,513.34/907,061,885.22 = 406,564,677.82/x
3. Step 3: Cross multiply
   657,540,513.34x = 907,061,885.22 × 406,564,677.82
4. Step 4: Simplify right side
   657,540,513.34x = 368,779,323,127,271,104
5. Step 5: Solve for x
   x = 368,779,323,127,271,104/657,540,513.34
6. Step 6: Final answer
   x = 560,846,541.99