Finding the Fourth Proportional to 127,429,978.60, 191,185,441.98 and 53,692,736.68

Step by Step Solution

1. Step 1: Write the proportion equation
   127,429,978.60 : 191,185,441.98 = 53,692,736.68 : x
2. Step 2: Convert to fraction form
   127,429,978.60/191,185,441.98 = 53,692,736.68/x
3. Step 3: Cross multiply
   127,429,978.60x = 191,185,441.98 × 53,692,736.68
4. Step 4: Simplify right side
   127,429,978.60x = 10,265,269,593,281,558
5. Step 5: Solve for x
   x = 10,265,269,593,281,558/127,429,978.60
6. Step 6: Final answer
   x = 80,556,158.81