Finding the Fourth Proportional to 404,166,341.05, 606,245,470.00 and 127,817,602.43

Step by Step Solution

1. Step 1: Write the proportion equation
   404,166,341.05 : 606,245,470.00 = 127,817,602.43 : x
2. Step 2: Convert to fraction form
   404,166,341.05/606,245,470.00 = 127,817,602.43/x
3. Step 3: Cross multiply
   404,166,341.05x = 606,245,470.00 × 127,817,602.43
4. Step 4: Simplify right side
   404,166,341.05x = 77,488,842,456,097,712
5. Step 5: Solve for x
   x = 77,488,842,456,097,712/404,166,341.05
6. Step 6: Final answer
   x = 191,725,125.49