Finding the Fourth Proportional to 471,973,192.31, 651,116,380.83 and 450,091,109

Step by Step Solution

1. Step 1: Write the proportion equation
   471,973,192.31 : 651,116,380.83 = 450,091,109 : x
2. Step 2: Convert to fraction form
   471,973,192.31/651,116,380.83 = 450,091,109/x
3. Step 3: Cross multiply
   471,973,192.31x = 651,116,380.83 × 450,091,109
4. Step 4: Simplify right side
   471,973,192.31x = 293,061,693,935,841,088
5. Step 5: Solve for x
   x = 293,061,693,935,841,088/471,973,192.31
6. Step 6: Final answer
   x = 620,928,685.59