Finding the Fourth Proportional to 171,426,337.38, 236,570,081.63 and 93,111,420.15

Step by Step Solution

1. Step 1: Write the proportion equation
   171,426,337.38 : 236,570,081.63 = 93,111,420.15 : x
2. Step 2: Convert to fraction form
   171,426,337.38/236,570,081.63 = 93,111,420.15/x
3. Step 3: Cross multiply
   171,426,337.38x = 236,570,081.63 × 93,111,420.15
4. Step 4: Simplify right side
   171,426,337.38x = 22,027,376,265,105,172
5. Step 5: Solve for x
   x = 22,027,376,265,105,172/171,426,337.38
6. Step 6: Final answer
   x = 128,494,702.75