Finding the Fourth Proportional to 111,463,254.57, 167,128,654.71 and 42,381,109.81

Step by Step Solution

1. Step 1: Write the proportion equation
   111,463,254.57 : 167,128,654.71 = 42,381,109.81 : x
2. Step 2: Convert to fraction form
   111,463,254.57/167,128,654.71 = 42,381,109.81/x
3. Step 3: Cross multiply
   111,463,254.57x = 167,128,654.71 × 42,381,109.81
4. Step 4: Simplify right side
   111,463,254.57x = 7,083,097,868,029,924
5. Step 5: Solve for x
   x = 7,083,097,868,029,924/111,463,254.57
6. Step 6: Final answer
   x = 63,546,483.50