Finding the Fourth Proportional to 118,064,683.52, 162,981,507.69 and 76,269,127.81

Step by Step Solution

1. Step 1: Write the proportion equation
   118,064,683.52 : 162,981,507.69 = 76,269,127.81 : x
2. Step 2: Convert to fraction form
   118,064,683.52/162,981,507.69 = 76,269,127.81/x
3. Step 3: Cross multiply
   118,064,683.52x = 162,981,507.69 × 76,269,127.81
4. Step 4: Simplify right side
   118,064,683.52x = 12,430,457,439,478,856
5. Step 5: Solve for x
   x = 12,430,457,439,478,856/118,064,683.52
6. Step 6: Final answer
   x = 105,285,145.98