Finding the Fourth Proportional to 92,158,956.51, 138,237,488.52 and 53,272,665.37

Step by Step Solution

1. Step 1: Write the proportion equation
   92,158,956.51 : 138,237,488.52 = 53,272,665.37 : x
2. Step 2: Convert to fraction form
   92,158,956.51/138,237,488.52 = 53,272,665.37/x
3. Step 3: Cross multiply
   92,158,956.51x = 138,237,488.52 × 53,272,665.37
4. Step 4: Simplify right side
   92,158,956.51x = 7,364,279,467,515,177
5. Step 5: Solve for x
   x = 7,364,279,467,515,177/92,158,956.51
6. Step 6: Final answer
   x = 79,908,451.08