Finding the Fourth Proportional to 156,569,323.82, 216,039,722.27 and 90,495,986.00

Step by Step Solution

1. Step 1: Write the proportion equation
   156,569,323.82 : 216,039,722.27 = 90,495,986.00 : x
2. Step 2: Convert to fraction form
   156,569,323.82/216,039,722.27 = 90,495,986.00/x
3. Step 3: Cross multiply
   156,569,323.82x = 216,039,722.27 × 90,495,986.00
4. Step 4: Simplify right side
   156,569,323.82x = 19,550,727,680,457,128
5. Step 5: Solve for x
   x = 19,550,727,680,457,128/156,569,323.82
6. Step 6: Final answer
   x = 124,869,464.87