Finding the Fourth Proportional to 776,196,090.56, 1,071,134,236.59 and 423,755,048.18

Step by Step Solution

1. Step 1: Write the proportion equation
   776,196,090.56 : 1,071,134,236.59 = 423,755,048.18 : x
2. Step 2: Convert to fraction form
   776,196,090.56/1,071,134,236.59 = 423,755,048.18/x
3. Step 3: Cross multiply
   776,196,090.56x = 1,071,134,236.59 × 423,755,048.18
4. Step 4: Simplify right side
   776,196,090.56x = 453,898,540,033,443,008
5. Step 5: Solve for x
   x = 453,898,540,033,443,008/776,196,090.56
6. Step 6: Final answer
   x = 584,773,030.36