Finding the Fourth Proportional to 86,831,387.69, 130,076,801.69 and 50,363,162.69

Step by Step Solution

1. Step 1: Write the proportion equation
   86,831,387.69 : 130,076,801.69 = 50,363,162.69 : x
2. Step 2: Convert to fraction form
   86,831,387.69/130,076,801.69 = 50,363,162.69/x
3. Step 3: Cross multiply
   86,831,387.69x = 130,076,801.69 × 50,363,162.69
4. Step 4: Simplify right side
   86,831,387.69x = 6,551,079,124,806,138
5. Step 5: Solve for x
   x = 6,551,079,124,806,138/86,831,387.69
6. Step 6: Final answer
   x = 75,445,979.84