Finding the Fourth Proportional to 117,687,288.42, 176,570,659.89 and 52,099,379.55

Step by Step Solution

1. Step 1: Write the proportion equation
   117,687,288.42 : 176,570,659.89 = 52,099,379.55 : x
2. Step 2: Convert to fraction form
   117,687,288.42/176,570,659.89 = 52,099,379.55/x
3. Step 3: Cross multiply
   117,687,288.42x = 176,570,659.89 × 52,099,379.55
4. Step 4: Simplify right side
   117,687,288.42x = 9,199,221,827,003,070
5. Step 5: Solve for x
   x = 9,199,221,827,003,070/117,687,288.42
6. Step 6: Final answer
   x = 78,166,656.32