Finding the Fourth Proportional to 118,090,945.40, 162,965,574.72 and 65,879,980.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,090,945.40 : 162,965,574.72 = 65,879,980.98 : x
2. Step 2: Convert to fraction form
   118,090,945.40/162,965,574.72 = 65,879,980.98/x
3. Step 3: Cross multiply
   118,090,945.40x = 162,965,574.72 × 65,879,980.98
4. Step 4: Simplify right side
   118,090,945.40x = 10,736,168,962,948,368
5. Step 5: Solve for x
   x = 10,736,168,962,948,368/118,090,945.40
6. Step 6: Final answer
   x = 90,914,412.85