Finding the Fourth Proportional to 156,569,395.82, 216,039,821.63 and 90,496,058.00

Step by Step Solution

1. Step 1: Write the proportion equation
   156,569,395.82 : 216,039,821.63 = 90,496,058.00 : x
2. Step 2: Convert to fraction form
   156,569,395.82/216,039,821.63 = 90,496,058.00/x
3. Step 3: Cross multiply
   156,569,395.82x = 216,039,821.63 × 90,496,058.00
4. Step 4: Simplify right side
   156,569,395.82x = 19,550,752,227,005,456
5. Step 5: Solve for x
   x = 19,550,752,227,005,456/156,569,395.82
6. Step 6: Final answer
   x = 124,869,564.23