Finding the Fourth Proportional to 78,385,992.76, 108,173,090.28 and 43,106,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,385,992.76 : 108,173,090.28 = 43,106,072.50 : x
2. Step 2: Convert to fraction form
   78,385,992.76/108,173,090.28 = 43,106,072.50/x
3. Step 3: Cross multiply
   78,385,992.76x = 108,173,090.28 × 43,106,072.50
4. Step 4: Simplify right side
   78,385,992.76x = 4,662,917,072,158,725
5. Step 5: Solve for x
   x = 4,662,917,072,158,725/78,385,992.76
6. Step 6: Final answer
   x = 59,486,611.17