Finding the Fourth Proportional to 76,173,395.30, 105,151,467.59 and 51,427,103.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,173,395.30 : 105,151,467.59 = 51,427,103.48 : x
2. Step 2: Convert to fraction form
   76,173,395.30/105,151,467.59 = 51,427,103.48/x
3. Step 3: Cross multiply
   76,173,395.30x = 105,151,467.59 × 51,427,103.48
4. Step 4: Simplify right side
   76,173,395.30x = 5,407,635,404,629,073
5. Step 5: Solve for x
   x = 5,407,635,404,629,073/76,173,395.30
6. Step 6: Final answer
   x = 70,991,129.95